Schoolwide Network looks like a promising site for professional development. Here is an example of what's available at the site---a short video from poet Georgia Heard.
Here is information about Schoolwide Network.
The Schoolwide Network was created in response to the lack of quality video (and print) resources available on the Internet today. With all of the rich media now available via the Internet and mobile technologies, it is easy to be overwhelmed by the sheer volume of information being pushed toward us and our children every day.